https://www.gamespot.com/articles/super-mario-odysseys-peach-amiibo-puts-mario-in-a-/1100-6454233/

A line of Super Mario Odyssey-themed Amiibo figures was revealed back at E3 that features Mario, Peach, and Bowser each wearing their own wedding outfit. Nintendo had already provided some details on what they would unlock in-game, but now we have a better idea of what to expect from one of them.